Transport i infrastruktura · 31/10/2013
Bell Helicopter Textron Canada Limited Issues Airworthiness Directive for Certain Bell Model 430 Helicopters
Bell Helicopter Textron Canada Limited is issuing a new airworthiness directive for certain Bell Model 430 helicopters, requiring the installation of a placard on the instrument panel and revisions to the rotorcraft flight manual to prevent third stage engine turbine wheel failures caused by excessive vibrations at specific engine speeds during steady-state operations.